664 search results - page 37 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
131
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SIGIR
2010
ACM
15 years 3 months ago
2010
ACM
As a principled approach to capturing semantic relations of words in information retrieval, statistical translation models have been shown to outperform simple document language m...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
It is well known that high-dimensional nearest-neighbor retrieval is very expensive. Many signal processing methods suffer from this computing cost. Dramatic performance gains can...
ICASSP
2009
IEEE
15 years 6 months ago
2009
IEEE
In limited data domains, many effective language modeling techniques construct models with parameters to be estimated on an in-domain development set. However, in some domains, no...
108
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MM
2009
ACM
15 years 6 months ago
2009
ACM
Automatic video search based on semantic concept detectors has recently received significant attention. Since the number of available detectors is much smaller than the size of h...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
Abstract―We have been proposing multi-beam MIMO (MBMIMO) as an Evolved UTRA downlink MIMO scheme for 3GPP long term evolution (LTE). MB-MIMO is a pre-coding MIMO scheme that uses...